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2229312256 = 28196772
BaseRepresentation
bin1000010011100000…
…1001101100000000
312202100211210111121
42010320021230000
514031200443011
61005113522024
7106146561433
oct20470115400
95670753447
102229312256
11a44430326
12522713314
13296b255a2
1417210b81a
15d0aabe71
hex84e09b00

2229312256 has 54 divisors (see below), whose sum is σ = 4691051540. Its totient is φ = 1054430208.

The previous prime is 2229312233. The next prime is 2229312263. The reversal of 2229312256 is 6522139222.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3292590 + ... + 3293266.

Almost surely, 22229312256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2229312256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2345525770).

2229312256 is an abundant number, since it is smaller than the sum of its proper divisors (2461739284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2229312256 is an frugal number, since it uses more digits than its factorization.

2229312256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 698 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 2229312256 is about 47215.5933564326. The cubic root of 2229312256 is about 1306.3422342295.

The spelling of 2229312256 in words is "two billion, two hundred twenty-nine million, three hundred twelve thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 256 304 608 677 1216 1354 2432 2708 4864 5416 10832 12863 21664 25726 43328 51452 86656 102904 173312 205808 411616 458329 823232 916658 1646464 1833316 3292928 3666632 7333264 8708251 14666528 17416502 29333056 34833004 58666112 69666008 117332224 139332016 278664032 557328064 1114656128 2229312256